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authorRichard Henderson <richard.henderson@linaro.org>2021-07-19 10:43:46 -1000
committerRichard Henderson <richard.henderson@linaro.org>2021-07-21 07:47:05 -1000
commitc2ffd7549b14373e9ca68eccd84fab141ffde646 (patch)
tree0362efe97ae88aa9d357b92c4ff052a142a55ca3 /include/exec/exec-all.h
parentd40c5c79764db01cb7e495bfcec62df9be481bce (diff)
downloadfocaccia-qemu-c2ffd7549b14373e9ca68eccd84fab141ffde646.tar.gz
focaccia-qemu-c2ffd7549b14373e9ca68eccd84fab141ffde646.zip
accel/tcg: Record singlestep_enabled in tb->cflags
Set CF_SINGLE_STEP when single-stepping is enabled.
This avoids the need to flush all tb's when turning
single-stepping on or off.

Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'include/exec/exec-all.h')
-rw-r--r--include/exec/exec-all.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/exec/exec-all.h b/include/exec/exec-all.h
index 6873cce8df..5d1b6d80fb 100644
--- a/include/exec/exec-all.h
+++ b/include/exec/exec-all.h
@@ -497,6 +497,7 @@ struct TranslationBlock {
 #define CF_COUNT_MASK    0x000001ff
 #define CF_NO_GOTO_TB    0x00000200 /* Do not chain with goto_tb */
 #define CF_NO_GOTO_PTR   0x00000400 /* Do not chain with goto_ptr */
+#define CF_SINGLE_STEP   0x00000800 /* gdbstub single-step in effect */
 #define CF_LAST_IO       0x00008000 /* Last insn may be an IO access.  */
 #define CF_MEMI_ONLY     0x00010000 /* Only instrument memory ops */
 #define CF_USE_ICOUNT    0x00020000